166980485226 has 8 divisors (see below), whose sum is σ = 333960970464. Its totient is φ = 55660161740.

The previous prime is 166980485209. The next prime is 166980485227. The reversal of 166980485226 is 622584089661.

It is a happy number.

166980485226 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

166980485226 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (166980485227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13915040430 + ... + 13915040441.

It is an arithmetic number, because the mean of its divisors is an integer number (41745121308).

Almost surely, 2^166980485226 is an apocalyptic number.

166980485226 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

166980485226 is a wasteful number, since it uses less digits than its factorization.

166980485226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27830080876.

The product of its (nonzero) digits is 9953280, while the sum is 57.

The spelling of 166980485226 in words is "one hundred sixty-six billion, nine hundred eighty million, four hundred eighty-five thousand, two hundred twenty-six".